{"id":119734,"date":"2024-09-08T15:43:01","date_gmt":"2024-09-08T13:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadre-linux-6-12-namereny-realizovat-vozmozhnost-vklyucheniya-realtime-rezhima"},"modified":"2024-09-08T15:43:01","modified_gmt":"2024-09-08T13:43:01","slug":"v-yadre-linux-6-12-namereny-realizovat-vozmozhnost-vklyucheniya-realtime-rezhima","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-yadre-linux-6-12-namereny-realizovat-vozmozhnost-vklyucheniya-realtime-rezhima","title":{"rendered":"Dans le noyau Linux 6.12, la possibilit\u00e9 d'activer le mode temps r\u00e9el devrait \u00eatre impl\u00e9ment\u00e9e","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Les d\u00e9veloppeurs du noyau Linux ont annonc\u00e9 le passage dans la branche linux-next, qui sera utilis\u00e9e pour la cr\u00e9ation de la version 6.12, des modifications finales n\u00e9cessaires \u00e0 la compilation du noyau avec l'option PREEMPT_RT, incluant des outils pour le fonctionnement en temps r\u00e9el. Une fois ces modifications int\u00e9gr\u00e9es dans la branche principale du noyau, le mode PREEMPT_RT sera disponible pour les architectures X86, ARM64 et RISC-V. Le support des architectures ARM et POWERPC sera ajout\u00e9 ult\u00e9rieurement, pour lesquelles tous les correctifs n'ont pas encore \u00e9t\u00e9 int\u00e9gr\u00e9s dans le noyau.        <\/p>\n<p>Le d\u00e9veloppement de la mise en \u0153uvre du mode temps r\u00e9el pour le noyau Linux a d\u00e9but\u00e9 en 2005 dans le cadre du projet \u00ab Realtime-Preempt \u00bb (\u00ab -rt \u00bb) et est supervis\u00e9 depuis 2015 par l'organisation Linux Foundation. Jusqu'\u00e0 pr\u00e9sent, la mise en \u0153uvre du mode PREEMPT_RT a \u00e9t\u00e9 fournie sous forme de correctifs externes, sur la base desquels certains distributeurs, tels que RHEL, SUSE et Ubuntu, ont cr\u00e9\u00e9 des \u00e9ditions Realtime distinctes de leurs produits, n\u00e9cessaires dans des domaines tels que les syst\u00e8mes financiers, les appareils de traitement audio et vid\u00e9o, l'aviation, la m\u00e9decine, la robotique, les syst\u00e8mes de t\u00e9l\u00e9communications et industriels, o\u00f9 il est essentiel de garantir un temps de traitement des \u00e9v\u00e9nements pr\u00e9visible.      <\/p>\n<p>En 2019, la promotion des correctifs d\u00e9velopp\u00e9s dans PREEMPT_RT vers la composition principale du noyau a commenc\u00e9. Dans le fichier de configuration du noyau 5.3, une option PREEMPT_RT a \u00e9t\u00e9 ajout\u00e9e pour activer le mode temps r\u00e9el, mais l'int\u00e9gration des modifications n\u00e9cessaires \u00e0 son fonctionnement s'est \u00e9tal\u00e9e sur 5 ans. Maintenant, cette voie touche \u00e0 sa fin et probablement d\u00e9j\u00e0 dans la version 6.12, le noyau pourra \u00eatre compil\u00e9 en mode PREEMPT_RT sans utilisation de correctifs suppl\u00e9mentaires.      <\/p>\n<p>La derni\u00e8re fonctionnalit\u00e9 manquante dans le noyau, qui emp\u00eachait l'activation du mode PREEMPT_RT, \u00e9tait la prise en charge de la sortie atomique non-bloquante via la fonction printk. Cette fonctionnalit\u00e9 a maintenant \u00e9t\u00e9 accept\u00e9e dans la branche linux-next. L'impl\u00e9mentation d'une console atomique et non-bloquante pour le pilote UART 8250, dont d\u00e9pend l'affichage des messages d'urgence dans le contexte atomique, est \u00e9galement attendue dans la branche linux-next.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61826\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u044f\u0434\u0440\u0430 Linux \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0438 \u043e \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435 \u0432 \u0432\u0435\u0442\u043a\u0443 linux-next, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0443\u0434\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u0440\u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 6.12, \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u044f\u0434\u0440\u0430 \u0441 \u043e\u043f\u0446\u0438\u0435\u0439 PREEMPT_RT, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0439 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438. \u041f\u043e\u0441\u043b\u0435 \u043f\u0440\u0438\u043d\u044f\u0442\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u044f\u0434\u0440\u0430 \u0440\u0435\u0436\u0438\u043c PREEMPT_RT \u0441\u0442\u0430\u043d\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 X86, ARM64 \u0438 RISC-V. \u041f\u043e\u0437\u0434\u043d\u0435\u0435 \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119734","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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